:root {
    --primary-color: #3498db;
    --secondary-color: #2980b9;
    --background-color: #f5f7fa;
    --card-color: #ffffff;
    --text-color: #333333;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background-color: var(--primary-color);
    color: white;
    padding: 1.5rem 0;
    text-align: center;
    box-shadow: var(--shadow);
}

.a_404_container {
    max-width: 800px;
    margin: auto;
    padding: 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

h1 {
    margin: 0;
    font-size: 2.2rem;
}

.a_404_error-content {
    background-color: var(--card-color);
    border-radius: 8px;
    padding: 2rem;
    box-shadow: var(--shadow);
    text-align: center;
}

.error-icon {
    font-size: 5rem;
    color: #e74c3c;
    margin-bottom: 1.5rem;
}

.error-title {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #e74c3c;
}

.a_404_error-message {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.home-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.8rem 1.8rem;
    border-radius: 4px;
    text-decoration: none;
    font-size: 1rem;
    transition: background-color 0.3s;
    margin: 0 0.5rem;
}

.home-btn:hover {
    background-color: var(--secondary-color);
}

.search-bar {
    margin: 2rem auto;
    max-width: 500px;
    display: flex;
}

.search-bar input {
    padding: 0.8rem 1rem;
    flex: 1;
    border: 1px solid #ddd;
    border-radius: 4px 0 0 4px;
    font-size: 1rem;
    outline: none;
}

.search-bar button {
    padding: 0 1.5rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
}

.search-bar button:hover {
    background-color: var(--secondary-color);
}

footer {
    text-align: center;
    padding: 1.5rem 0;
    color: #666;
    border-top: 1px solid #eee;
    font-size: 0.9rem;
}

@media (max-width: 600px) {
    .a_404_container {
        padding: 1rem;
    }
    
    .error-icon {
        font-size: 4rem;
    }
    
    .error-title {
        font-size: 1.5rem;
    }
}

/*/error/*/
    .notifications-container {
    width: 90%;
    height: auto;
    font-size: 0.875rem;
    line-height: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    box-shadow: 5px 5px 10px rgba(255, 0, 0, 0.3);
    border-radius: 10px;
    margin: 0 auto;
}

.flex {
    display: flex;
}

.flex-shrink-0 {
    flex-shrink: 0;
}

.error-alert {
    border-radius: 0.375rem;
    padding: 1rem;
    background-color: rgb(254 242 242);
}

.error-svg {
    color: #F87171;
    width: 1.25rem;
    height: 1.25rem;
}

.error-prompt-heading {
    color: #991B1B;
    font-size: 0.875rem;
    line-height: 1.25rem;
    font-weight: bold;
}

.error-prompt-container {
    display: flex;
    flex-direction: column;
    margin-left: 1.25rem;
}

.error-prompt-wrap {
    margin-top: 0.5rem;
    color: #B91C1C;
    font-size: 0.875rem;
    line-height: 1.25rem;
}

.error-prompt-list {
    padding-left: 1.25rem;
    margin-top: 0.25rem;
    list-style-type: disc;
}